Handheld electronic device



FIG. 1 is a front perspective view of a handheld electronic device showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines shown in the drawings are for the purpose of illustrating unclaimed portions of the handheld electronic device and form no part of the claimed design. 

The ornamental design for handheld electronic device, as shown and described. 